Platform project ~ celery asynchronous functions of the regular tasks

A brief introduction: Today to talk celery timing tasking capabilities

Two standard processes:

     1 configuration config.py

      from celery.schedules import crontab

      CELERYBEAT_SCHEDULE = {
       ' celery_test.tasks.test_run': {
        'task': 'celery_test.tasks.test_run',
        'schedule': crontab(minute='*/2')
         }
        }

    2 Start woker process

    3 to start the process of crontab

       celery -A  celery_demo.celery beat -l info -f log

    4 View log information

      [2019-09-12 10:38:00,011: INFO/MainProcess] Scheduler: Sending due task celery_test.tasks.test_run (celery_test.tasks.test_run)
       [2019-09-12 10:38:00,036: DEBUG/MainProcess] celery_test.tasks.test_run sent. id->d16b6bd8-15c6-4d65-b46d-a215602776c0

    5 crontab settings              

       参数 minute hour day_of_week

       Examples of 'schedule': crontab (minute = 0, hour = 8, day_of_week = [1, 2, 3, 4, 5]) 1-5 week 8 am performed